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Front Suspension Clunking Noise on my 2018 Genesis G80

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Brian F. · rep 0 · May 22, 6:18 AM · 1 replies · solved · Question

Vehicle: 2018 Genesis G80 3.8

Hey everyone,

I've been noticing a persistent clunking noise coming from the front end of my 2018 Genesis G80 3.8. It's most noticeable when I go over speed bumps or uneven pavement, especially at lower speeds. It sounds like something is loose or worn out.

I've tried listening closely, and it seems to be coming from the driver's side front wheel area. It's not a constant noise, only when the suspension is articulating over bumps. It's starting to get a bit concerning, and I'm worried it might be a safety issue.

Has anyone else experienced this with their G80 or a similar Genesis model? What were the common culprits? I'm hoping it's something relatively simple like sway bar links, but I'm open to any suggestions before I take it into the shop. Any advice on what to check first would be greatly appreciated!

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 22, 6:18 AM

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Hello Sarah,

A clunking noise from the front suspension, especially over bumps, is a common complaint and can stem from several components. It's wise to address this promptly as suspension issues can affect handling and safety.

Here are the most common causes and steps for diagnosis:

  1. Sway Bar End Links: These are a very frequent cause of clunking noises. The bushings or ball joints within the end links can wear out, creating play and noise when the suspension moves. They connect the sway bar to the control arm or strut.
  2. Control Arm Bushings: Both upper and lower control arms have rubber bushings that can degrade over time. When these bushings crack or wear, they allow excessive movement, leading to clunking or creaking sounds.
  3. Strut Mounts/Bearings: The top mount of the strut assembly contains a bearing that allows the strut to rotate with steering. If this bearing or the rubber mount itself wears out, it can produce clunking or popping noises, particularly when turning or going over bumps.
  4. Ball Joints: The lower ball joint (and sometimes upper, depending on suspension design) connects the steering knuckle to the control arm. Wear in a ball joint can cause a clunking sound and is a critical safety item.
  5. Loose Components: Less common, but always worth checking for loose lug nuts, caliper bolts, or other suspension fasteners.

When to See a Shop:

  • If you're uncomfortable performing a visual inspection or don't have the necessary tools.
  • If the noise is accompanied by changes in steering feel, vehicle stability, or tire wear.
  • If a visual inspection doesn't reveal an obvious cause, a professional can perform a more thorough diagnostic, often using specialized tools to check for play in components while the vehicle is under load.

Suspension noises are typically mechanical and do not trigger OBD-II diagnostic trouble codes unless there's an issue with an electronic adaptive suspension system (which would usually present with a warning light on the dash). A qualified technician can safely lift the vehicle and inspect each component for wear and play.

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